Opinions from A. S. Dagys 1968
- 'Boreiothyris bojarkaensis belongs to Boreiothyris'
- 'Cuneirhynchia bulunensis belongs to Cuneirhynchia'
- 'Fusirhynchia secreta belongs to Fusirhynchia'
- 'Gigantothyris ochoticus belongs to Gigantothyris'
- 'Holcorhynchia laevis belongs to Holcorhynchia'
- 'Inversithyris rhomboidalis belongs to Inversithyris'
- 'Lenothyris ovalis belongs to Lenothyris'
- 'Lenothyris perflexus belongs to Lenothyris'
- 'Ochotorhynchia omolonensis belongs to Ochotorhynchia'
- 'Omolonothyris inopinatus belongs to Omolonothyris'
- 'Peregrinelloidea malkovi belongs to Peregrinelloidea'
- 'Peregrinelloidea tenuicostata belongs to Peregrinelloidea'
- 'Pinaxiothyris campestris belongs to Pinaxiothyris'
- 'Ptilorhynchia anabarensis belongs to Ptilorhynchia'
- 'Ptilorhynchia anadyrensis belongs to Ptilorhynchia'
- 'Ptilorhynchia exigua belongs to Ptilorhynchia'
- 'Ptilorhynchia glabra belongs to Ptilorhynchia'
- 'Ptilorhynchia lenaensis belongs to Ptilorhynchia'
- 'Ptilorhynchia obscuricostata belongs to Ptilorhynchia'
- 'Ptilorhynchia seducta belongs to Ptilorhynchia'
- 'Rhynchonella micropteryx belongs to Rhynchonella' according to Eichwald 1868
- 'Rhynchonella micropteryx is recombined as Fusirhynchia micropteryx'
- 'Rhynchonella pomeyroli is recombined as Piarorhynchia pomeyroli'
- 'Rhynchonella saranpaulensis is a subjective synonym of Fusirhynchia micropteryx'
- 'Rhynchonella sibirica belongs to Rhynchonella' according to Koshelkina 1962
- 'Rhynchonella sibirica is a subjective synonym of Rudirhynchia najahaensis'
- 'Rimirhynchia maltanensis belongs to Rimirhynchia'
- 'Rugithyris anabarensis belongs to Rugithyris'
- 'Septaliphoria muogdanensis belongs to Septaliphoria' according to Koshelkina 1962
- 'Septaliphoria najahaensis belongs to Septaliphoria' according to Moisseiev 1947
- 'Septaliphoria najahaensis is recombined as Rudirhynchia najahaensis'
- 'Septaliphoria subrotunda belongs to Septaliphoria'
- 'Septaliphoria viligaensis belongs to Septaliphoria' according to Moisseiev 1947
- 'Septaliphoria viligaensis is recombined as Orlovirhynchia viligaensis'
- 'Siberiothyris crassus belongs to Siberiothyris'
- 'Siberiothyris gibberosus belongs to Siberiothyris'
- 'Taimyrothyris bisulcatus belongs to Taimyrothyris'
- 'Taimyrothyris bojarkaensis belongs to Taimyrothyris'
- 'Taimyrothyris gregarius belongs to Taimyrothyris'
- 'Taimyrothyris humilis belongs to Taimyrothyris'
- 'Terebratula (Waldheimia) darwini belongs to Terebratula (Waldheimia)' according to Eudes-Deslongchamps 1885
- 'Terebratula (Waldheimia) darwini is recombined as Zeilleria darwini'
- 'Terebratula bullata belongs to Terebratula' according to Rouillier 1847
- 'Terebratula bullata is recombined as Russiella bullata'
- 'Terebratula cornuta belongs to Terebratula' according to Sowerby 1825
- 'Terebratula cornuta is recombined as Zeilleria cornuta'
- 'Terebratula goliensis belongs to Terebratula' according to Moisseiev 1938
- 'Terebratula goliensis is recombined as Boreiothyris goliensis'
- 'Terebratula kropotkini belongs to Terebratula' according to Moisseiev 1938
- 'Terebratula kropotkini is recombined as Taimyrothyris kropotkini'
- 'Terebratula lamutkensis belongs to Terebratula' according to Moisseiev 1938
- 'Terebratula lamutkensis is recombined as Boreiothyris lamutkensis'
- 'Terebratula pelecypodaeformis belongs to Terebratula' according to Moisseiev 1938
- 'Terebratula pelecypodaeformis is recombined as Boreiothyris pelecypodaeformis'
- 'Terebratula striatissima belongs to Terebratula' according to Eichwald 1868
- 'Terebratula striatissima is recombined as Uralorhynchia striatissima'
- 'Terebratula stroganovi belongs to Terebratula' according to d'Orbigny 1845
- 'Terebratula stroganovi is recombined as Uralella stroganovi'
- 'Terebratula subnumismalis belongs to Terebratula' according to Davidson 1851
- 'Terebratula zimkini belongs to Terebratula' according to Moisseiev 1938
- 'Terebratula zimkini is recombined as Boreiothyris zimkini'
- 'Tetrarhynchia jakutica belongs to Tetrarhynchia'
- 'Tetrarhynchia viluensis belongs to Tetrarhynchia'
- 'Uralella arctica belongs to Uralella'
- 'Uralella gigantea belongs to Uralella'
- 'Viligothyris orientalis belongs to Viligothyris'
- 'Viligothyris viligaensis belongs to Viligothyris'